class_docstr: Default constructor
  Args:
      - N : Total number of bits in the fixed point number
      - I : Integer bits in the fixed point number
      - F = N-I : Fixed point bits in the number
      - signed : True/False - If True, use 2's complement when converting to float
      - self.integer_bits : Bits corresponding to the integer part of the number
      - self.decimal_bits : Bits corresponding to the decimal part of the number
code: def inv_float(self, sig_figs=12):
      if self.to_float() != 0:
          return round(1.0 / self.to_float(), sig_figs)
      else:
          return round(sys.float_info.max, sig_figs)
  
file_path: hls4ml/hls4ml/utils/fixed_point_utils.py
imports: import math
  import sys
label_desc: Use image node_id 5 for calling the FixedPointEmulator obj's underlying member method code with example usage: obj.inv_float(sig_figs) and returns: round, round